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Old 02-14-2011, 06:25 PM   #1
Kostamojen
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Default Anyone have experience with Engine Mounts?

I need to rebuild the engine mounts for my FF-1 (I know, its not an impreza, but the mounts are actually more simple than Impreza mounts) but I haven't had any good suggestions or know anyway or anyone who can do it.

I was originally going to use urethane for the mounts, but I was told its IMPOSSIBLE to adhere it to the metal for the mounts. You can see them in this photo:



So, If anyone has any suggestions for what to do, I could really use some help.

For reference, here are the original mounts:



#6 are the "engine" mounts, #7 is the main transmission mount.

Note: I'm also in a pickle with #3, since I either have to use the original transmission to use that mount, or use the transmission I built (with better gearing) with a CUSTOM rear transmission mount... Not sure what to do there either, as I also have to do a custom clutch for the modified transmission I built.
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Old 02-15-2011, 10:29 PM   #2
TIGWERKS
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I might be able to help you, I just made these- I'm also local


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Old 02-16-2011, 10:40 PM   #3
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Quote:
Originally Posted by TIGWERKS View Post
I might be able to help you, I just made these- I'm also local


VERY NICE!
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Old 02-21-2011, 06:44 PM   #4
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Quote:
Originally Posted by TIGWERKS View Post
I might be able to help you, I just made these- I'm also local


Those seem a bit too complicated and expensive, and not enough give for my application...
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Old 03-01-2011, 06:38 PM   #5
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I think I'm going to try some 3M super-sticky tape... Or is that a stupid idea?
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Old 03-04-2011, 02:01 PM   #6
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Quote:
Originally Posted by Kostamojen View Post
I think I'm going to try some 3M super-sticky tape... Or is that a stupid idea?
I don't like the idea of the super-sticky tape. The engine is creating a bit more torque than that tape can handle. I also understand you just want to keep the mounts in place, but you would be much better off with a mono-system rather than three pieces, ie top of mount, bushing, bottom of mount. Weld a piece up and have solid mounts. The vibrations would probably be similar to that of the mounts you are attempting to create anyway. One motor mount sees much more compressive force than the other, and the other mount sees much more tension than the other.

good luck!!


::EDIT::

I just read that you need something with more 'give for you application'...what is the purpose of this application anyway?

Last edited by jordieb213; 03-04-2011 at 02:03 PM. Reason: xxxx
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Old 03-05-2011, 03:32 AM   #7
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Could you pour your own? I think I recall you looking into that too?
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Old 03-06-2011, 03:28 PM   #8
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Well I filled in a transmission mount once with Urethane. That won't work in this instance though.

I'm at a loss right now, and I'm concerned I shouldn't have tried to take the mounts apart in the first place...
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Old 03-06-2011, 08:23 PM   #9
69subaru360
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Cut the stud off. Drill a hole through both plates and the urethane piece you cut in line with where the stud was. Use a long grade 8 bolt with a self locking nut to hold it together. That's how I set up the 72 GL racecar I did a few years ago. Except it was a solid aluminum block instead of your urethane. You can weld the bolt to the plate that bolts to the engine to make it easier to tighten.
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Old 03-08-2011, 07:43 PM   #10
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Thats a good idea, I might do that.
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Old 04-26-2011, 10:39 PM   #11
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Got my engine/transmission mounts sorted out finally. I ended up just putting bolts straight through as suggested in order to attach the rubber along with some sticky stuff to hold the bushings in place just enough. Its pretty sturdy, I stood on the motor and jumped up and down to make sure it was solid, LOL!


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Old 04-27-2011, 07:13 PM   #12
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i thought that proper surface prep as well as a proper primer would allow polyurethane to bond to metal, at least when you pour your own. ive done it with different poly-something or other coatings and adhesives, which of course do not see the same environment as mounts. am i wrong?
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Old 04-29-2011, 07:52 PM   #13
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Well if you pour your own, thats a different story. I've seen lots of references to that, and I even did it once on a transmission mount but that was just filling in the gaps.
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Old 05-08-2011, 02:58 PM   #14
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Interesting.
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Old 03-22-2012, 03:06 AM   #15
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okay///
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